Shimano Indoor IC100 Cycling Shoes. Breathable, comfortable indoor cycling shoes for getting in a ride. Sock mesh upper is designed for hard workouts. Easily open and tighten the cross strap for a secure feel. Compatible with SPD-SL and SPD cleats for your convenience. Lightweight glass fiber reinforced nylon sole for a stiffer feel. Perforated insole works with outsole ventilation for quick drying.